Vacuum cleaner



FIG. 1 is a right/front perspective view of the vacuum cleaner.

FIG. 2 is a left/front perspective view thereof.

FIG. 3 is a right/rear perspective view thereof.

FIG. 4 is a left/rear perspective view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a left side view thereof.

FIG. 7 is a front view thereof.

FIG. 8 is a rear view thereof.

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof.

The details shown in broken lines form no part of the claimed design.

The ornamental design for a vacuum cleaner, as shown and described.